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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* b_alias.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <stdlib.h>
#include <unistd.h>
#ifdef __linux__
# include <linux/limits.h>
#else
# include <limits.h>
#endif
#include "b_alias_print.h"
#include "d_define.h"
#include "s_struct.h"
#include "u_alias.h"
#include "u_utils.h"
static unsigned char b_print_arg_next(char *ptr,
const char arg[],
t_bool invalid,
t_msh *msh)
{
char val[ARG_MAX];
if (*ptr == C_NUL)
{
if (u_get_alias_value(val, arg, ARG_MAX, msh) != 0)
{
ft_printf("alias %s='%s'", arg, val);
return (0);
}
else
{
ft_dprintf(STDERR_FILENO, "minishell: alias: %s: not found\n", arg);
return (1);
}
}
else if (*ptr == C_EQUALS && invalid == TRUE)
{
ft_strlcpy(val, arg, ptr - arg);
ft_dprintf(STDERR_FILENO,
"minishell: alias: `%s': invalid alias name\n",
val);
return (1);
}
return (0);
}
static unsigned char b_print_arg(const char arg[], t_msh *msh)
{
char *ptr;
t_bool invalid;
ptr = (char*)arg;
invalid = FALSE;
while (*ptr != C_NUL && *ptr != C_EQUALS)
{
if (ft_iswhitespace(*ptr) == TRUE)
invalid = TRUE;
ptr++;
}
return (b_print_arg_next(ptr, arg, invalid, msh));
}
#include <stdlib.h>
static void b_register_arg(const char arg[], t_msh *msh)
{
char *ptr;
char *rptr;
char name[255];
char value[ARG_MAX];
char tmp;
ptr = (char*)arg;
while (*ptr != C_NUL && *ptr != C_EQUALS)
{
ptr++;
}
if (*ptr == C_EQUALS)
{
ft_strlcpy(name, arg, (ptr - arg < 255) ? ((ptr - arg) + 1) : (255));
ptr += 1;
rptr = ptr;
while (*rptr != C_NUL && ft_iswhitespace(*rptr) == TRUE)
rptr++;
tmp = *(rptr + ft_strlen(name));
*(rptr + ft_strlen(name)) = C_NUL;
if (ft_strncmp(rptr, name, ft_strlen(name) + 1) == 0) {
*(rptr + ft_strlen(name)) = tmp;
ft_strlcpy(value, ptr, ARG_MAX);
ft_memmove(value + (rptr - ptr) + 1, value + (rptr - ptr), ft_strlen(value + (rptr - ptr)) + 1);
*(value + (rptr - ptr)) = C_BACKS;
}
else {
*(rptr + ft_strlen(name)) = tmp;
ft_strlcpy(value, ptr, ARG_MAX);
}
u_set_alias_value(name, value, msh);
}
}
unsigned char b_alias(char *args[], t_msh *msh)
{
const unsigned long argc = u_builtins_get_argc((const char**)args);
int i;
unsigned char ret;
ret = 0;
if (argc == 0)
{
if (msh->alias == NULL)
return (0);
b_print_alias_list(msh);
}
else if (argc > 0)
{
i = 0;
while (args[i] != NULL)
{
if (b_print_arg(args[i], msh) != 0)
{
ret = 1;
}
i++;
}
}
return (ret);
}
void b_alias_mute(char *args[], t_msh *msh)
{
const unsigned long argc = u_builtins_get_argc((const char**)args);
int i;
if (argc > 0)
{
i = 0;
while (args[i] != NULL)
{
b_register_arg(args[i], msh);
i++;
}
}
}
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